Home / 33,628.68-46,405.76-18,518.39

Finding the Fourth Proportional to 33,628.68, 46,405.76 and 18,518.39

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Solution

The fourth proportional to 33,628.68, 46,405.76 and 18,518.39 is: 25,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.68 : 46,405.76 = 18,518.39 : x
  2. Step 2: Convert to fraction form
    33,628.68/46,405.76 = 18,518.39/x
  3. Step 3: Cross multiply
    33,628.68x = 46,405.76 × 18,518.39
  4. Step 4: Simplify right side
    33,628.68x = 859,359,637.31
  5. Step 5: Solve for x
    x = 859,359,637.31/33,628.68
  6. Step 6: Final answer
    x = 25,554.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.